PVC thermal stability testerCharacteristic Overview

instrument
All functions of the instrument can be controlled through a computer
Each measurement position has an independent measurement start button
The instrument LCD screen displays the status of each measurement position
Unique accessories make the instrument highly reliable in measurement and easy to operate
Low cost disposable glass measuring accessories
- Durable and sturdy measuring cup lid integrated conductivity measuring cell
Each instrument has two heating modules and eight measuring positions (each heating module has four measuring positions). One computer can control up to four instruments.

software
Clear and well-designed user interface
The database has flexible filtering, sorting, and statistical functions
The transparency of data results is high because the database stores the involved:
- Measurement results, methods, instrument settings parameters
- Data history of reassessment or recalculation of measurement results
• High level data security, derived from operational databases and automatic backup capabilities
Client server brings good network compatibility features
• User management with freely configurable access permissions
• Meets all GLP requirements

Thermal stability of 895 polyvinyl chloride and other chlorine containing polymer materials (dehydrochlorination method)
Plastic products made from polyvinyl chloride decompose and release gaseous HCl at the measured temperature. When determining the thermal stability of PVC according to DIN 53381 Part 1 or ISO 182 Part 3, the HCl released by the plastic product is transferred to a measuring cell containing deionized water by flowing nitrogen gas, causing a change in the conductivity of the solution in the measuring cell.
The thermal stability of PVC materials is defined by measuring the time it takes to produce HCl. Generally speaking, the time required for the change in conductivity of the measuring cell to reach 50 μ s/cm is called the stabilization time.
This method can be used to determine the thermal stability of PVC throughout the entire processing stage, as well as to evaluate the performance of its stabilizers.